2 nd International Fountain Week in National Park
Gesaeuse
30.6. – 06.07.2008 - We would like to invite you to take part in the
second “Fountain
Week” in the National Park Gesäuse mountains ( Upper Styria, Austria).
The National Park is located near the boundary of the Nothern Limestone Alps
and the paleozoic schists of the “Grauwackenzone”. Thus, the springs
have divergent rock formations as aquifers and expositions between 480 an 2020
mtr asl.
During the Fountain Week, we will continue to investigate the biodiversity
of springs and spring reaches in some different geological and morphological
situations.
Freshwater
mites (Hydrachnidia) from springs in Trentino
Many studies have produced evidence that water mites
play an outstanding role within invertebrate communities
of spring habitats, not only in terms of species diversity
and the evolution of particular habitat preferences, but
often also with regard to their high population densities
and particular significance within the food web.
At the nymphal (more correctly: deutonymphal) and adult
stage they are predators of minute invertebrates or invertebrate
eggs, while larvae of most species have a parasitic-phoretic
life style and are bound to particular insect hosts. The
complex life cycle is completed by two pupa-like resting
stages (protonymph, between larva and deutonymph, and
tritonymph, between deutonymph and adult), which need
protection in microcavities of the sediment under stable
environmental conditions. Due to requirements of single
stages, water mites are particularly interrelated with
the biotic and abiotic components of their environment.
A joint undertaking of
the 24 UN agencies comprising UN-Water, and in partnership
with governments and other entities concerned with freshwater
issues, this volume, covering as it does all regions and
most countries of the world, provides an up-to-date global
overview of the state and uses of freshwater, critical
water-related problems, and societies' coping mechanisms.
Interested colleagues are invited to submit
contributions to the SPECIAL SESSION:
Springs and small streams: understudied and under-protected
key habitats for biodiversity conservation
SIL2007 (30th Congress of the International Association
of Theoretical and Applied Limnology). Montréal,
Canada, 12-18 August 2007
Session organizers:
Dr Marco Cantonati, Trento Science Museum, Limnology and
Phycology Section, Trento, Italy & Prof John S. Richardson,
University of British Columbia, Vancouver, Canada.
Session motivation and description
The biological communities of small streams and springs
are distinctive, and more than simply a nested subset of
species found downstream. Springs are considered special
habitats by all running water classification systems in
recognition of their marked environmental stability and
generally low degree of pollution. They are however much
less studied than other freshwater habitats. The processes
that provide habitat conditions suitable for specialized
taxa have often only been described in general terms. Advances
in testing physical, chemical and biological mechanisms
that select amongst taxa have started to demonstrate the
roles of hydraulic and other physical processes that set
habitat constraints. As applied problems emerge, it is increasingly
important to strengthen fundamental knowledge on these environments.
Indeed, springs and groundwater-fed streams are often under-protected
in some landscapes (e.g. managed forests), while in others
they are increasingly threatened by capture for drinking
water use (European Alps).
This session will explore the distinctiveness of the biological
and physical systems, as well as how these are affected
by various kinds of management. The links (or absence thereof)
to broader policy, such as the Clean Water Act (USA) and
the Water Framework Directive (EU-WFD) will also be considered.
Initiatives for an improved international cooperation in
spring-research will be explored.
Keynote speakers: Prof Eugen Rott, University
of Innsbruck, Austria:
Headwater streams: Biodiversity and conservation aspects.
Dr Reinhard Gerecke, University of Tübingen, Germany:
Spring habitats: the biota and pros for long-term ecological
research.
Partners/contacts sought for German Cratoneurion springs project
Among
the more unusual priority habitat types listed in Directive
92/43/EEC* are petrifying springs with tufa formation (Cratoneurion).
These habitats consist of springs where water comes out
of the ground with high calcium carbonate content.
Alpenquellen.com
- The idea
The Alps are the water castle of Europe. There is not any other
region with such an amount of water sources than the Alps. Therefore,
we made it to our assignment to realise an interactive information
system especially for Alpine sources.
alpenquellen, lbv, swiss re , alpen quellen www.lbv.de
www.alpenquellen.de swiss alpen the alps berge wasserquellen wasser quellen lbv
naturschutz projekt Alpenraum Die Alpen sind das Wasserschloss Europas Swiss Re
und der LBV Head Corporate Sponsoring, Swiss Re www.swissre.com Interactive Information
System on Alpine Sources alpine The Alps are our largest source of water Sponsored
by Swiss Re, between now and 2005, the LBV will foster the broad international
exchange of know-how on alpine water sources.